[Webkit-unassigned] [Bug 75257] New: XMLDocumentParser needs a PreloadScanner

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=75257

           Summary: XMLDocumentParser needs a PreloadScanner
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: XML
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: tonyg at chromium.org
                CC: eric at webkit.org, abarth at webkit.org,
                    tonyg at chromium.org, simonjam at chromium.org


The XMLDocumentParser doesn't use the PreloadScanner like the HTMLDocumentParser does. In cases like the one described in http://crbug.com/108592 , this leads to very poor performance.

This is also mentioned in http://gent.ilcore.com/2011/01/webkit-preloadscanner.html .

I thought we had a bug about this, but can't find it. Please dupe this one if you remember where that is.

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